mysql cursor 1064_mysql error 1064，求问是什么原因

DELIMITER//createprocedurecompute_ops()begindeclaretSumintdefault0;--declaredonebooldefaultfalse;--willcontainsthedatafetchedfromcursor;declaretNoVARCHAR(50);declaretName...

DELIMITER //

create procedure compute_ops ()

begin

declare tSum int default 0;

--declare done bool default false;

-- will contains the data fetched from cursor;

declare tNo VARCHAR(50);

declare tName VARCHAR(50);

declare tGender ENUM('male','female');

declare tIsPhysic bool;

declare sNo VARCHAR(50);

declare totalScore int;

declare m1Score int;

declare m2Score int;

declare m3Score int;

declare bonusScore int;

declare o1Name ENUM('H','Phy');

declare o1Score int;

declare o1Rank ENUM('D','C','B','B+','A','A+');

declare o2Name ENUM('Ph','G','C','B');

declare o2Score int;

declare o2Rank ENUM('D','C','B','B+','A','A+') ;

declare n1Name ENUM('Ph','G','C','B');

declare n1Rank ENUM('D','C','B','A');

declare n1Score int;

declare n2Name ENUM('Ph','G','C','B');

declare n2Rank ENUM('D','C','B','A');

declare n2Score int;

declare n3Name ENUM('Ph','G','C','B');

declare n3Rank ENUM('D','C','B','A');

declare n3Score int;

declare n4Name ENUM('Ph','G','C','B');

declare n4Rank ENUM('D','C','B','A');

declare n4Score int;

declare o1_ranking int;

declare o2_ranking int;

declare o1_rate double;

declare o2_rate double;

declare o1R ENUM('D','C','B','B+','A','A+');

declare o2R ENUM('D','C','B','B+','A','A+');

declare additionScore int default 0;

declare is4A bool default true;

-- cursor

declare cur cursor for select i from testee;

-- end sign

declare done bool default false;

-- bind the end sign to cursor

declare continue handler for not found set done = true;

select count(*) from testee INTO tSum;

-- open loop

open cur1;

-- loop begin

read_loop: loop

--get cursor data

fetch cur into tNo,tName,tGender,tIsPhysic,sNo,totalScore,m1Score,m2Score,m3Score,bonusScore,

o1Name,o1Score,o1Rank,o2Name,o2Score,o2Rank,

n1Name,n1Rank,n1Score,n2Name,n2Rank,n2Score,n3Name,n3Rank,n3Score,

n4Name,n4Rank,n4Score;

-- loop finished

if done then

leave read_loop;

end if;

-- loop

select count(*) from testee where opt1_score>o1Score INTO o1_ranking;

select count(*) from testee where opt2_score>o2Score INTO o2_ranking;

update testee set opt1_rank=o1R, opt2_rank=o2R, bonus=additionScore,

total=m1Score+m2Score+m3Score+additionScore

where t_no=tNo;

end loop;

-- close cursor

close cur1;

end//

DELIMITER ;

报得错误为：

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